Onekey function switch with automatic screenoff for convenient, powersaving operation. Easily toggle between functions with a single button. Auto screenoff helps extend battery life when idle. Long battery life and reliable power management for extended use. Delivers extended playback time on a single charge. Repeated charging without power loss to maintain consistent performance over time. Ultrathin design with wide format decoding and broad format support. Ultrathin and narrow body for portable use. Clear multiformat decoding capability, including AVI and JPEG formats, plus other common formats. Digital definition display with memory playback features. Digital definition LED display for sharp visuals. Supports electronic books and memory playback that resumes from the last position after power interruptions. 23 practical use scenarios While traveling or commuting: watch AVI videos, view JPEG photos, and read electronic books during breaks, with a simple onekey switch for quick access and automatic screenoff to conserve battery. At home or in model environments: use as a compact media player for videos and slides, plus ebooks, benefiting from the slim form factor and resumed playback after power loss. In powerlimited situations: rely on long battery life to keep reading or viewing content without frequent recharging, suitable for outdoor use or offgrid occasions.